// $Header: /cvs/public/gdcm/src/gdcmHeader.h,v 1.34 2003/07/07 10:26:14 regrain Exp $

#ifndef GDCMHEADERHELPER_H
#define GDCMHEADERHELPER_H

#include "gdcmHeader.h"
#include "gdcmFile.h"
#include <list>
#include <vector>

   enum ModalityType {
      Unknow,
      CR,
      CT,
      MR,
      NM,
      OT,
      US,
      XA };
/**
  This class is meant to *interprate* data given from gdcmHeader
  That is to say :
   * it will help other dev to link against there lib
   * return value instead of string
   * will be able to search for data at some other place
   * return *default value* which is not a gdcmHeader goal
   * ...
*/
class GDCM_EXPORT gdcmHeaderHelper : public gdcmHeader {

public:

   gdcmHeaderHelper::gdcmHeaderHelper();
   gdcmHeaderHelper::gdcmHeaderHelper(const char *filename, bool exception_on_error = false);
   gdcmHeaderHelper::~gdcmHeaderHelper() {};
   int GetXSize(void);
   int GetYSize(void);
   int GetZSize(void);

    //Ces fonction releve de l'interpretation des données de gdcmHeader
   int GetPixelSize(void);
   std::string GetPixelType(void);
   
   float GetXSpacing(void);
   float GetYSpacing(void);
   float GetZSpacing(void);
  
    /**
    change GetXImagePosition -> GetXOrigin in order not to confused reader
      -# GetXOrigin can return default value (=0) if it was not ImagePosition
      -# Image Position is different in dicomV3 <> ACR NEMA -> better use generic
      name
    */
   float GetXOrigin(void);
   float GetYOrigin(void);
   float GetZOrigin(void);
   
   int GetImageNumber(void);
   ModalityType GetModality(void);
   
   void GetImageOrientationPatient( float* iop );

};

/**
This class should be used for a stack of 2D dicom images.
For a multiframe dicom image better use directly gdcmHeaderHelper
*/
class GDCM_EXPORT gdcmSerieHeaderHelper {

public:
    gdcmSerieHeaderHelper::gdcmSerieHeaderHelper() {};
    gdcmSerieHeaderHelper::~gdcmSerieHeaderHelper();

   void AddFileName(string filename); //should return bool or throw error ?
   void AddGdcmFile(gdcmHeaderHelper file);
   void SetDirectory(string dir);
   void OrderGdcmFileList(); //based on Jolinda's algorithm

private:
  list<gdcmHeaderHelper> CoherentGdcmFileList;

};

#endif